.wai{
    margin-left: auto;
    margin-right: auto;
    margin-top:300px;
    width:350px;
    z-index: -1;
}
.wai .xx{
    margin-left: auto;
    margin-right: auto;
    width: 342px;
}
.xuan{
    margin-bottom: 40px;
    margin-left: auto;
    margin-right: auto;
    width:140px;

}
.xuan a{
    text-decoration: none;
    color:#7f7f7f;
    font-size: 25px;
}
.xuan:visited{
    color:#2d58e7;
}
.xuan a:hover{
    color: black;
}
.xuan a:focus{
    color:#2d58e7;
}
.text1{
    border:1px solid #dadada;
    outline: none;
    line-height: 50px;
    width: 342px;
    height: 50px;
    font-size: 16px;
    text-align: left;
    margin-bottom: 20px;
    background-color: white;
    cursor: text;
    color: #474747;
    padding-left: 10px;

}
.text1:hover{
    box-shadow: 0 0 5px black;
}
.text1:focus{
    box-shadow:0 0 10px #2d58e7;
}
.xiaokw{
    height: 20px;
    margin-bottom: 20px;
}
.xiaok{
    float: left;
    border:1px solid #dadada ;
    height: 20px;
    width: 20px;
    line-height: 20px;
    cursor: pointer;
    vertical-align: middle;
    overflow: hidden;
    margin-bottom: 20px;
}
.xiaokx{
    float: left;
    color: #515151;
    margin-left: 10px;
    cursor: pointer;
}
.xiaokxx{
    float: left;
    color: #2d58e7;
    margin-left:50px;
    cursor: pointer;
}
.xiaokw a{
    text-decoration: none;
    color: blue;
}
.dian {
    display: inline-block;
    height: 50px;
    width: 350px;
    font-size: 20px;
    line-height: 50px;
    text-align: center;
    margin-bottom: 20px;
    outline: none;
    cursor: pointer;
    background-color: #32a5e7;
}
.dian:hover{
     background-color: #3986d9;
     box-shadow: 0 0 10px #2d58e7;
}
.xx a{
    text-decoration: none;
    color: white;
}